:root{
    --bg:           #0A0E14;
    --bg-elev:      #11161F;
    --bg-card:      #161C26;
    --line:         rgba(241, 234, 218, 0.08);
    --line-strong:  rgba(241, 234, 218, 0.18);
    --ink:          #F1EADA;
    --ink-dim:      #9AA4B0;
    --ink-faint:    #5C6573;
    --accent:       #9FE5D9;
    --accent-warm:  #D4B884;
    --accent-deep:  #2E5F56;
    --serif:        'Fraunces', 'Times New Roman', serif;
    --sans:         'Inter Tight', -apple-system, sans-serif;
    --max:          1320px;
  }

  *{margin:0;padding:0;box-sizing:border-box;}
  html{scroll-behavior:smooth;}
  body{
    background: var(--bg);
    color: var(--ink);
    font-family: var(--sans);
    font-weight: 400;
    line-height: 1.6;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
  }
  ::selection{background:var(--accent);color:var(--bg);}

  /* ─────────── Atmospheric background ─────────── */
  .atmosphere{
    position: fixed; inset: 0; z-index: -1; pointer-events: none;
    background:
      radial-gradient(ellipse 80% 60% at 50% 0%, rgba(159, 229, 217, 0.08), transparent 60%),
      radial-gradient(ellipse 60% 40% at 90% 100%, rgba(212, 184, 132, 0.04), transparent 60%),
      var(--bg);
  }
  .grain{
    position: fixed; inset: 0; z-index: -1; pointer-events: none; opacity: 0.4;
    background-image: url("data:image/svg+xml;utf8,<svg viewBox='0 0 200 200' xmlns='http://www.w3.org/2000/svg'><filter id='n'><feTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='3'/><feColorMatrix values='0 0 0 0 0.95  0 0 0 0 0.92  0 0 0 0 0.85  0 0 0 0.05 0'/></filter><rect width='100%' height='100%' filter='url(%23n)'/></svg>");
    mix-blend-mode: overlay;
  }

  /* Vertical column rulers */
  .rulers{
    position: fixed; inset: 0; z-index: -1; pointer-events: none;
    max-width: var(--max); margin: 0 auto; padding: 0 48px;
    display: grid; grid-template-columns: repeat(12, 1fr);
    height: 100%;
  }
  .rulers span{
    border-right: 1px solid var(--line);
  }
  .rulers span:last-child{border:none;}

  .container{ max-width: var(--max); margin: 0 auto; padding: 0 48px; position: relative; }

  /* ─────────── Header ─────────── */
  header{
    position: fixed; top:0; left:0; right:0; z-index: 100;
    padding: 24px 0;
    transition: all .45s cubic-bezier(.4,0,.2,1);
    backdrop-filter: blur(0px);
  }
  header.scrolled{
    background: rgba(10, 14, 20, 0.85);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--line);
    padding: 16px 0;
  }
  .nav{ display:flex; align-items:center; justify-content:space-between; gap: 24px; }
  .logo{ display:flex; align-items:center; gap: 14px; text-decoration:none; color: var(--ink); flex: 0 1 auto; min-width: 0; }
  .logo-mark{
    width: 38px; height: 38px; border-radius: 50%;
    border: 1px solid var(--accent);
    display:flex; align-items:center; justify-content:center;
    font-family: var(--serif); font-size: 18px; font-weight: 400; font-style: italic;
    color: var(--accent);
    transition: all .4s ease;
  }
  .logo:hover .logo-mark{ background: var(--accent); color: var(--bg); }
  /* Real WSS logo mark in the header */
  .logo-img{
    height: 38px; width: auto; display:block;
    transition: opacity .4s ease, transform .4s ease;
  }
  .logo:hover .logo-img{ opacity: .82; transform: translateY(-1px); }
  .logo-text{
    font-family: var(--serif); font-size: 17px; font-weight: 400; letter-spacing: 0.01em;
  }
  .logo-text em{ font-style: italic; color: var(--accent); }
  .nav-links{
    display:flex; align-items:center; list-style: none;
    /* Gap flexes down as the bar tightens, so items stay evenly spaced
       instead of squeezing or wrapping once "Contract research" is added. */
    gap: clamp(16px, 2.2vw, 36px);
    margin: 0; padding: 0;
  }
  .nav-links li{ flex: 0 0 auto; }
  .nav-links a{
    color: var(--ink-dim); text-decoration: none; font-size: 13px;
    letter-spacing: 0.08em; text-transform: uppercase; font-weight: 400;
    transition: color .3s ease; position: relative;
    white-space: nowrap;            /* keep two-word items on one line */
    display: inline-block;
  }
  .nav-links a:hover{ color: var(--ink); }
  .nav-links a::after{
    content:''; position:absolute; bottom:-6px; left:0;
    width: 0; height: 1px; background: var(--accent);
    transition: width .4s ease;
  }
  .nav-links a:hover::after{ width: 100%; }
  .nav-cta{
    padding: 10px 22px; border: 1px solid var(--line-strong);
    color: var(--ink); text-decoration: none; font-size: 13px;
    letter-spacing: 0.06em; text-transform: uppercase;
    border-radius: 999px; transition: all .35s ease;
  }
  .nav-cta:hover{ background: var(--accent); color: var(--bg); border-color: var(--accent); }

  /* ── Mobile menu ── */
  .nav-toggle{
    display: none;                     /* shown under 1024px */
    background: none; border: 0; cursor: pointer;
    width: 44px; height: 44px; padding: 10px;
    flex-direction: column; justify-content: space-between;
    flex: 0 0 auto;
  }
  .nav-toggle span{
    display: block; height: 1px; width: 100%;
    background: var(--ink);
    transition: transform .35s ease, opacity .25s ease;
  }
  .nav-toggle.is-open span:nth-child(1){ transform: translateY(11px) rotate(45deg); }
  .nav-toggle.is-open span:nth-child(2){ opacity: 0; }
  .nav-toggle.is-open span:nth-child(3){ transform: translateY(-11px) rotate(-45deg); }

  .mobile-menu{
    position: fixed; inset: 0; z-index: 998;
    background: var(--bg);
    opacity: 0; visibility: hidden;
    transition: opacity .4s ease, visibility .4s ease;
    display: flex; align-items: center; justify-content: center;
    overscroll-behavior: contain;
  }
  .mobile-menu.is-open{ opacity: 1; visibility: visible; }
  .mobile-menu-inner{
    display: flex; flex-direction: column; gap: 4px;
    width: 100%; max-width: 420px; padding: 0 32px;
  }
  .mobile-menu-inner a{
    color: var(--ink); text-decoration: none;
    font-family: var(--serif); font-size: 26px; line-height: 1.9;
    border-bottom: 1px solid var(--line);
    padding: 6px 0;
    transition: color .3s ease, padding-left .3s ease;
  }
  .mobile-menu-inner a:hover,
  .mobile-menu-inner a:focus-visible{ color: var(--accent); padding-left: 8px; }
  .mobile-menu-cta{
    margin-top: 28px; border-bottom: 0 !important;
    text-align: center;
    border: 1px solid var(--accent) !important;
    color: var(--accent) !important;
    font-family: var(--sans) !important;
    font-size: 13px !important; letter-spacing: 0.08em; text-transform: uppercase;
    padding: 16px 0 !important;
  }
  body.menu-open{ overflow: hidden; }

  /* ─────────── Gallery ─────────── */
  .gallery{
    padding: 140px 0;
    border-top: 1px solid var(--line);
  }
  .gallery-grid{
    display: grid;
    grid-template-columns: repeat(12, 1fr);
    grid-auto-rows: 120px;
    gap: 16px;
    margin-top: 60px;
  }
  .gallery-item{
    position: relative; overflow: hidden; border-radius: 8px;
    border: 1px solid var(--line);
    background: var(--bg-elev);
    cursor: pointer;
  }
  .gallery-item img{
    width: 100%; height: 100%; object-fit: cover; display: block;
    transition: transform 1.2s cubic-bezier(.4,0,.2,1), filter .6s ease;
    filter: brightness(0.85) saturate(0.9);
  }
  .gallery-item:hover img{
    transform: scale(1.06); filter: brightness(1) saturate(1);
  }
  .gallery-item::after{
    content: ''; position: absolute; inset: 0;
    background: linear-gradient(180deg, transparent 50%, rgba(10,14,20,0.7) 100%);
    pointer-events: none;
  }
  .gallery-caption{
    position: absolute; left: 20px; bottom: 18px; z-index: 2;
    font-family: var(--serif); font-style: italic; font-size: 15px;
    color: var(--accent); letter-spacing: 0.01em;
  }
  /* Asymmetric layout */
  .g-1 { grid-column: span 7; grid-row: span 3; }
  .g-2 { grid-column: span 5; grid-row: span 2; }
  .g-3 { grid-column: span 5; grid-row: span 2; }
  .g-4 { grid-column: span 4; grid-row: span 2; }
  .g-5 { grid-column: span 8; grid-row: span 2; }

  /* ─────────── Contact form ─────────── */
  .contact{
    padding: 140px 0;
    border-top: 1px solid var(--line);
  }
  .contact-shell{
    display: grid; grid-template-columns: 1fr 1fr; gap: 100px;
    align-items: start;
  }
  .contact-info h3{
    font-family: var(--serif); font-weight: 300;
    font-size: clamp(40px, 5vw, 60px);
    line-height: 1.05; letter-spacing: -0.02em;
    margin-bottom: 32px;
  }
  .contact-info h3 em{ font-style: italic; color: var(--accent); }
  .contact-info p{
    color: var(--ink-dim); font-size: 16px; line-height: 1.7;
    margin-bottom: 48px; max-width: 460px; font-weight: 300;
  }
  .contact-detail{
    border-top: 1px solid var(--line);
    padding: 24px 0;
    display: flex; justify-content: space-between; align-items: center;
  }
  .contact-detail:last-child{ border-bottom: 1px solid var(--line); }
  .contact-detail .label{
    font-size: 11px; letter-spacing: 0.16em; text-transform: uppercase;
    color: var(--ink-faint);
  }
  .contact-detail .value{
    font-family: var(--serif); font-style: italic; font-size: 17px;
    color: var(--ink);
  }
  .contact-detail a.value{ text-decoration: none; transition: color .3s ease; }
  .contact-detail a.value:hover{ color: var(--accent); }

  .contact-form{
    background: var(--bg-elev);
    border: 1px solid var(--line);
    border-radius: 12px;
    padding: 48px 44px;
  }
  .form-eyebrow{
    font-size: 11px; letter-spacing: 0.24em; text-transform: uppercase;
    color: var(--accent); margin-bottom: 12px; font-weight: 500;
  }
  .form-title{
    font-family: var(--serif); font-weight: 300;
    font-size: 28px; letter-spacing: -0.01em;
    margin-bottom: 36px; line-height: 1.2;
  }
  .form-row{ margin-bottom: 24px; }
  .form-row.half{ display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
  .form-row label{
    display: block;
    font-size: 11px; letter-spacing: 0.14em; text-transform: uppercase;
    color: var(--ink-faint); margin-bottom: 10px; font-weight: 500;
  }
  .form-row input,
  .form-row select,
  .form-row textarea{
    width: 100%;
    background: transparent;
    border: none;
    border-bottom: 1px solid var(--line-strong);
    color: var(--ink);
    font-family: var(--sans);
    font-size: 15px;
    padding: 10px 0;
    transition: border-color .3s ease;
    font-weight: 300;
  }
  .form-row input:focus,
  .form-row select:focus,
  .form-row textarea:focus{
    outline: none; border-bottom-color: var(--accent);
  }
  .form-row textarea{ resize: vertical; min-height: 80px; }
  .form-row select{ -webkit-appearance: none; appearance: none; cursor: pointer;
    background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'><path fill='none' stroke='%239FE5D9' stroke-width='1.5' d='M1 1l5 5 5-5'/></svg>");
    background-repeat: no-repeat; background-position: right 4px center;
  }
  .form-row select option{ background: var(--bg-elev); color: var(--ink); }
  .form-submit{
    width: 100%; margin-top: 16px;
    background: var(--accent); color: var(--bg);
    border: none; border-radius: 999px;
    padding: 18px 32px;
    font-family: var(--sans); font-size: 13px; font-weight: 500;
    letter-spacing: 0.1em; text-transform: uppercase;
    cursor: pointer;
    transition: all .4s cubic-bezier(.4,0,.2,1);
  }
  .form-submit:hover{ background: var(--accent-warm); transform: translateY(-2px); }
  .form-note{
    font-size: 12px; color: var(--ink-faint);
    margin-top: 20px; text-align: center; line-height: 1.5;
  }

  /* ─────────── Hero ─────────── */
  .hero{
    min-height: 100vh; display:flex; align-items: center;
    padding: 140px 0 80px; position: relative; overflow: hidden;
  }
  .hero-media{
    position: absolute; inset: 0; z-index: -1; overflow: hidden;
  }
  .hero-media video, .hero-media img{
    position: absolute; inset: 0;
    width: 100%; height: 100%;
    object-fit: cover;
    animation: kenBurns 24s ease-in-out infinite alternate;
  }
  /* Hero deck: crossfading slides. Each slide keeps the Ken Burns drift.
     Slides stack; only the .is-active one is visible. */
  .hero-deck{ position:absolute; inset:0; }
  .hero-slide{
    position:absolute; inset:0;
    opacity:0; transition: opacity 1.6s ease-in-out;
    will-change: opacity;
  }
  .hero-slide.is-active{ opacity:1; }
  .hero-deck .hero-slide > video,
  .hero-deck .hero-slide > img{ animation: kenBurns 24s ease-in-out infinite alternate; }
  @media (prefers-reduced-motion: reduce){
    .hero-slide{ transition: none; }
    .hero-deck .hero-slide > video,
    .hero-deck .hero-slide > img,
    .hero-media video, .hero-media img{ animation: none; }
  }
  @keyframes kenBurns{
    0%   { transform: scale(1.05) translate(0, 0); }
    100% { transform: scale(1.18) translate(-2%, -1%); }
  }
  .hero-media::after{
    content: ''; position: absolute; inset: 0;
    background:
      linear-gradient(180deg, rgba(10,14,20,0.5) 0%, rgba(10,14,20,0.7) 50%, var(--bg) 100%),
      linear-gradient(90deg, rgba(10,14,20,0.85) 0%, rgba(10,14,20,0.4) 60%, rgba(10,14,20,0.7) 100%);
  }
  .hero-grid{
    display: grid; grid-template-columns: 1fr 280px; gap: 80px;
    width: 100%; align-items: end;
  }
  .eyebrow{
    display: inline-flex; align-items: center; gap: 12px;
    font-size: 11px; letter-spacing: 0.24em; text-transform: uppercase;
    color: var(--accent); font-weight: 500; margin-bottom: 40px;
  }
  .eyebrow::before{
    content:''; width: 32px; height: 1px; background: var(--accent);
  }
  .hero h1{
    font-family: var(--serif);
    font-size: clamp(56px, 9vw, 132px);
    font-weight: 300;
    line-height: 0.95;
    letter-spacing: -0.03em;
    margin-bottom: 32px;
    font-variation-settings: "opsz" 144, "SOFT" 50;
  }
  .hero h1 em{
    font-style: italic;
    color: var(--accent);
    font-weight: 300;
  }
  .hero-sub{
    font-size: 18px; line-height: 1.55; color: var(--ink-dim);
    max-width: 560px; margin-bottom: 48px;
    font-weight: 300;
  }
  .hero-actions{ display:flex; gap: 20px; align-items:center; }
  .btn-primary{
    background: var(--accent); color: var(--bg);
    padding: 16px 32px; border: none; border-radius: 999px;
    font-family: var(--sans); font-size: 13px; font-weight: 500;
    letter-spacing: 0.08em; text-transform: uppercase;
    text-decoration:none; cursor:pointer;
    display:inline-flex; align-items:center; gap: 10px;
    transition: all .4s cubic-bezier(.4,0,.2,1);
  }
  .btn-primary:hover{ background: var(--accent-warm); transform: translateY(-2px); }
  .btn-primary svg{ width: 14px; height: 14px; transition: transform .35s ease; }
  .btn-primary:hover svg{ transform: translateX(4px); }
  .btn-ghost{
    color: var(--ink); text-decoration: none;
    font-size: 13px; letter-spacing: 0.08em; text-transform: uppercase;
    padding: 16px 0; border-bottom: 1px solid var(--line-strong);
    transition: border-color .3s ease;
  }
  .btn-ghost:hover{ border-color: var(--accent); }

  .hero-meta{
    display: flex; flex-direction: column; gap: 28px;
    font-size: 12px; color: var(--ink-faint);
    letter-spacing: 0.1em; text-transform: uppercase;
    padding-bottom: 12px;
  }
  .hero-meta-item{ border-top: 1px solid var(--line); padding-top: 14px; }
  .hero-meta-item strong{
    display: block; font-family: var(--serif); font-style: italic;
    font-size: 22px; font-weight: 400; color: var(--ink);
    text-transform: none; letter-spacing: -0.01em; margin-top: 6px;
  }

  .scroll-cue{
    position: absolute; bottom: 40px; left: 48px;
    font-size: 11px; letter-spacing: 0.18em; text-transform: uppercase;
    color: var(--ink-faint);
    display: flex; align-items: center; gap: 14px;
  }
  .scroll-cue::after{
    content: ''; width: 1px; height: 60px;
    background: linear-gradient(to bottom, var(--ink-faint), transparent);
    animation: scrollPulse 2.2s ease-in-out infinite;
  }
  @keyframes scrollPulse{
    0%, 100%{ opacity: .3; transform: scaleY(.6); transform-origin: top; }
    50%{ opacity: 1; transform: scaleY(1); }
  }

  /* ─────────── Marquee ─────────── */
  .marquee{
    border-top: 1px solid var(--line);
    border-bottom: 1px solid var(--line);
    padding: 28px 0; overflow: hidden;
    background: rgba(17, 22, 31, 0.4);
  }
  .marquee-track{
    display: flex; gap: 80px; white-space: nowrap;
    animation: scroll 50s linear infinite;
  }
  .marquee-item{
    display: inline-flex; align-items: center; gap: 16px;
    font-size: 13px; letter-spacing: 0.18em; text-transform: uppercase;
    color: var(--ink-dim); font-weight: 400;
  }
  .marquee-item span{ color: var(--accent); font-family: var(--serif); font-style: italic; font-size: 18px; text-transform: none; letter-spacing: 0; }
  .marquee-item::after{ content: '◆'; color: var(--ink-faint); margin-left: 80px; font-size: 8px; }
  @keyframes scroll{
    from{ transform: translateX(0); }
    to{ transform: translateX(-50%); }
  }

  /* ─────────── Sections ─────────── */
  section{ padding: 140px 0; position: relative; }
  .section-head{ margin-bottom: 80px; max-width: 900px; }
  .section-num{
    font-family: var(--serif); font-style: italic;
    font-size: 14px; color: var(--accent);
    margin-bottom: 16px; letter-spacing: 0.04em;
  }
  .section-num span{ color: var(--ink-faint); }
  .section-title{
    font-family: var(--serif); font-weight: 300;
    font-size: clamp(40px, 6vw, 72px);
    line-height: 1.02; letter-spacing: -0.02em;
    margin-bottom: 24px;
  }
  .section-title em{ font-style: italic; color: var(--accent); }
  .section-lede{
    font-size: 17px; color: var(--ink-dim); max-width: 620px;
    line-height: 1.6; font-weight: 300;
  }

  /* ─────────── Services tabs ─────────── */
  .tabs-shell{
    border-top: 1px solid var(--line);
    display: grid; grid-template-columns: 380px 1fr; gap: 80px;
    align-items: start;
  }
  .tabs-list{ display: flex; flex-direction: column; padding-top: 40px; }
  .tab-btn{
    background: none; border: none; cursor: pointer;
    text-align: left; padding: 28px 0;
    border-bottom: 1px solid var(--line);
    font-family: var(--serif); font-weight: 300;
    color: var(--ink-faint);
    font-size: 28px; line-height: 1.1; letter-spacing: -0.01em;
    transition: all .45s cubic-bezier(.4,0,.2,1);
    display: flex; align-items: center; gap: 24px;
    position: relative;
  }
  .tab-btn .tab-num{
    font-family: var(--sans); font-size: 11px;
    letter-spacing: 0.18em; color: var(--ink-faint);
    transition: color .35s ease;
    min-width: 28px;
  }
  .tab-btn:hover{ color: var(--ink-dim); }
  .tab-btn.active{ color: var(--ink); padding-left: 16px; }
  .tab-btn.active .tab-num{ color: var(--accent); }
  .tab-btn::before{
    content:''; position:absolute; left: 0; top: 50%;
    width: 0; height: 1px; background: var(--accent);
    transition: width .45s cubic-bezier(.4,0,.2,1);
    transform: translateY(-50%);
  }
  .tab-btn.active::before{ width: 8px; }
  .tab-btn em{ font-style: italic; }

  .tab-panels{ position: relative; padding-top: 40px; min-height: 560px; }
  .tab-panel{
    opacity: 0; visibility: hidden;
    position: absolute; inset: 40px 0 0 0;
    transition: opacity .55s ease, transform .55s cubic-bezier(.4,0,.2,1);
    transform: translateY(20px);
  }
  .tab-panel.active{
    opacity: 1; visibility: visible;
    position: relative; transform: translateY(0);
  }
  .tab-visual{
    width: 100%; height: 320px; border-radius: 8px;
    margin-bottom: 36px; position: relative; overflow: hidden;
    border: 1px solid var(--line);
    background: var(--bg-elev);
  }
  .tab-visual img{
    width: 100%; height: 100%; object-fit: cover; display: block;
    transition: transform 1.2s cubic-bezier(.4,0,.2,1);
  }
  .tab-visual:hover img{ transform: scale(1.04); }
  .tab-visual::after{
    content: ''; position: absolute; inset: 0;
    background:
      linear-gradient(180deg, transparent 30%, rgba(10,14,20,0.85) 100%),
      linear-gradient(135deg, rgba(10,14,20,0.4) 0%, transparent 50%);
    pointer-events: none;
  }
  .tab-visual-caption{
    position: absolute; left: 24px; right: 24px; bottom: 22px;
    z-index: 2; display: flex; justify-content: space-between;
    align-items: flex-end; gap: 16px;
  }
  .tab-visual-caption .label{
    font-family: var(--serif); font-style: italic; font-size: 16px;
    color: var(--accent); letter-spacing: 0.01em;
  }
  .tab-visual-caption .meta{
    font-size: 11px; letter-spacing: 0.18em; text-transform: uppercase;
    color: rgba(241, 234, 218, 0.7); font-weight: 400;
  }
  .tab-visual svg.overlay{
    position: absolute; inset: 0; width: 100%; height: 100%;
    pointer-events: none; z-index: 1; mix-blend-mode: screen;
    opacity: 0.4;
  }
  .tab-content h3{
    font-family: var(--serif); font-weight: 300;
    font-size: 30px; letter-spacing: -0.01em;
    margin-bottom: 20px; line-height: 1.15;
  }
  .tab-content > p{
    font-size: 16px; color: var(--ink-dim);
    line-height: 1.7; margin-bottom: 32px; max-width: 560px;
    font-weight: 300;
  }
  .tab-features{
    display: grid; grid-template-columns: 1fr 1fr; gap: 24px 40px;
    border-top: 1px solid var(--line); padding-top: 32px;
  }
  .tab-feature{ display: flex; gap: 16px; align-items: flex-start; }
  .tab-feature-num{
    font-family: var(--serif); font-style: italic;
    color: var(--accent); font-size: 14px; padding-top: 2px;
    min-width: 24px;
  }
  .tab-feature-body strong{
    display: block; font-weight: 500; font-size: 14px;
    color: var(--ink); margin-bottom: 4px;
  }
  .tab-feature-body span{
    font-size: 13px; color: var(--ink-dim); line-height: 1.5;
    font-weight: 300;
  }

  /* ─────────── Numbers strip ─────────── */
  .numbers{
    border-top: 1px solid var(--line);
    border-bottom: 1px solid var(--line);
    padding: 100px 0;
  }
  .numbers-grid{
    display: grid; grid-template-columns: repeat(4, 1fr); gap: 60px;
  }
  .number{
    border-left: 1px solid var(--line); padding-left: 28px;
  }
  .number-value{
    font-family: var(--serif); font-weight: 300;
    font-size: clamp(56px, 7vw, 88px);
    line-height: 1; letter-spacing: -0.04em;
    margin-bottom: 16px;
    background: linear-gradient(135deg, var(--ink) 0%, var(--accent) 100%);
    -webkit-background-clip: text; background-clip: text;
    -webkit-text-fill-color: transparent;
  }
  /* Word-based values (e.g. GLP · GMP) need to be smaller than the numerals
     or they overflow the cell. */
  .number-value.is-text{
    font-size: clamp(30px, 3.4vw, 46px);
    letter-spacing: -0.01em;
    white-space: nowrap;
  }
  .number-value.is-text em{ font-style: normal; opacity: .45; }
  .number-value em{ font-style: italic; }
  .number-label{
    font-size: 12px; letter-spacing: 0.14em; text-transform: uppercase;
    color: var(--ink-dim);
  }

  /* ─────────── Method ─────────── */
  .method-grid{
    display: grid; grid-template-columns: repeat(3, 1fr); gap: 40px;
  }
  .method-card{
    border: 1px solid var(--line); padding: 40px 32px;
    border-radius: 8px; background: var(--bg-elev);
    transition: all .5s cubic-bezier(.4,0,.2,1);
    position: relative; overflow: hidden;
  }
  .method-card:hover{
    border-color: var(--line-strong);
    transform: translateY(-4px);
    background: var(--bg-card);
  }
  .method-card::before{
    content:''; position:absolute; top:0; left:0;
    width: 100%; height: 1px;
    background: linear-gradient(90deg, transparent, var(--accent), transparent);
    opacity: 0; transition: opacity .5s ease;
  }
  .method-card:hover::before{ opacity: 1; }
  .method-icon{
    width: 48px; height: 48px; margin-bottom: 32px;
    color: var(--accent);
  }
  .method-icon svg{ width: 100%; height: 100%; stroke: currentColor; fill: none; stroke-width: 1; }
  .method-card h4{
    font-family: var(--serif); font-weight: 400;
    font-size: 24px; letter-spacing: -0.01em;
    margin-bottom: 14px; color: var(--ink);
  }
  .method-card p{
    color: var(--ink-dim); font-size: 14px; line-height: 1.65;
    font-weight: 300;
  }

  /* ─────────── Trust / clients ─────────── */
  .trust{ padding: 100px 0; }
  .trust-head{ text-align: center; margin-bottom: 60px; }
  .trust-eyebrow{
    font-size: 11px; letter-spacing: 0.24em; text-transform: uppercase;
    color: var(--accent); margin-bottom: 12px;
  }
  .trust-title{
    font-family: var(--serif); font-weight: 300;
    font-size: 32px; letter-spacing: -0.01em;
    color: var(--ink-dim);
  }
  .trust-title em{ font-style: italic; color: var(--ink); }
  .trust-grid{
    display: grid; grid-template-columns: repeat(6, 1fr);
    border: 1px solid var(--line); border-radius: 8px;
    overflow: hidden;
  }
  .trust-cell{
    aspect-ratio: 1.6;
    display: flex; align-items: center; justify-content: center;
    border-right: 1px solid var(--line);
    border-bottom: 1px solid var(--line);
    color: var(--ink-faint);
    font-family: var(--serif); font-style: italic;
    font-size: 18px; font-weight: 400;
    transition: all .4s ease;
    text-align: center; padding: 0 16px;
  }
  .trust-cell:nth-child(6n){ border-right: none; }
  .trust-cell:nth-last-child(-n+6){ border-bottom: none; }
  .trust-cell:hover{ color: var(--accent); background: var(--bg-elev); }

  /* ─────────── CTA ─────────── */
  .cta{
    padding: 160px 0;
    border-top: 1px solid var(--line);
    text-align: center; position: relative;
  }
  .cta::before{
    content:''; position:absolute; inset:0;
    background: radial-gradient(ellipse 60% 50% at 50% 50%, rgba(159, 229, 217, 0.06), transparent 60%);
    pointer-events:none;
  }
  .cta-eyebrow{
    font-size: 11px; letter-spacing: 0.24em; text-transform: uppercase;
    color: var(--accent); margin-bottom: 32px;
  }
  .cta h2{
    font-family: var(--serif); font-weight: 300;
    font-size: clamp(48px, 7vw, 96px);
    line-height: 1.02; letter-spacing: -0.03em;
    margin-bottom: 48px; max-width: 1000px; margin-inline: auto;
  }
  .cta h2 em{ font-style: italic; color: var(--accent); }
  .cta-actions{ display: inline-flex; gap: 24px; }

  /* ─────────── Footer ─────────── */
  footer{
    border-top: 1px solid var(--line);
    padding: 80px 0 40px;
  }
  .footer-grid{
    display: grid; grid-template-columns: 2fr 1fr 1fr 1fr; gap: 60px;
    margin-bottom: 80px;
  }
  .footer-brand h3{
    font-family: var(--serif); font-weight: 300;
    font-size: 28px; line-height: 1.1; margin-bottom: 20px;
    letter-spacing: -0.01em;
  }
  .footer-brand h3 em{ font-style: italic; color: var(--accent); }
  .footer-brand p{
    font-size: 14px; color: var(--ink-dim); max-width: 360px;
    line-height: 1.6; font-weight: 300;
  }
  .footer-col h5{
    font-size: 11px; letter-spacing: 0.18em; text-transform: uppercase;
    color: var(--ink-faint); margin-bottom: 24px; font-weight: 500;
  }
  .footer-col ul{ list-style: none; }
  .footer-col li{ margin-bottom: 12px; }
  .footer-col a{
    color: var(--ink-dim); text-decoration: none; font-size: 14px;
    transition: color .3s ease; font-weight: 300;
  }
  .footer-col a:hover{ color: var(--accent); }
  .footer-bottom{
    border-top: 1px solid var(--line); padding-top: 32px;
    display: flex; justify-content: space-between; align-items: center;
    font-size: 12px; color: var(--ink-faint); letter-spacing: 0.06em;
  }
  .footer-bottom a{ color: var(--ink-faint); text-decoration: none; }
  .footer-bottom a:hover{ color: var(--ink-dim); }

  /* ─────────── Reveal animations ─────────── */
  .reveal{ opacity: 0; transform: translateY(40px); transition: opacity 1s ease, transform 1s cubic-bezier(.4,0,.2,1); }
  .reveal.in{ opacity: 1; transform: translateY(0); }
  /* Safety net: if JS is off or the observer never fires, content must still be
     readable rather than stuck invisible at opacity:0. */
  .no-js .reveal{ opacity: 1; transform: none; }
  @media (prefers-reduced-motion: reduce){
    .reveal{ opacity: 1; transform: none; transition: none; }
  }

  /* ─────────── Custom cursor follower ─────────── */
  .cursor-follower{
    position: fixed; top: 0; left: 0;
    width: 32px; height: 32px;
    border: 1px solid var(--accent);
    border-radius: 50%;
    pointer-events: none;
    z-index: 9999;
    mix-blend-mode: difference;
    transition: width .35s cubic-bezier(.4,0,.2,1), height .35s cubic-bezier(.4,0,.2,1), border-color .35s, background .35s;
    will-change: transform;
    backdrop-filter: invert(0.05);
  }
  .cursor-follower.big{
    width: 64px; height: 64px;
    border-color: var(--accent-warm);
    background: rgba(159, 229, 217, 0.08);
  }
  .cursor-follower.text{
    width: 6px; height: 6px;
    background: var(--accent);
    border: none;
  }
  @media (hover: none){ .cursor-follower{ display: none; } }

  /* ─────────── Scroll progress bar ─────────── */
  .scroll-progress{
    position: fixed; top: 0; left: 0;
    height: 2px; width: 0%;
    background: linear-gradient(90deg, var(--accent), var(--accent-warm));
    z-index: 10000;
    pointer-events: none;
    transition: width .15s ease-out;
  }

  /* ─────────── Word-by-word headline reveal ─────────── */
  .word{
    display: inline-block;
    overflow: hidden;
    vertical-align: baseline;
    line-height: 1.1;
  }
  .word + .word{ margin-left: 0.22em; }
  .word-inner{
    display: inline-block;
    transform: translateY(110%);
    transition: transform 1.1s cubic-bezier(.2, 1, .3, 1);
    will-change: transform;
  }
  .word-inner.visible{ transform: translateY(0); }

  /* ─────────── Magnetic buttons (smooth transition for snap-back) ─────────── */
  .btn-primary, .nav-cta, .form-submit{
    transition: transform .5s cubic-bezier(.2, 1, .3, 1), background .4s cubic-bezier(.4,0,.2,1), border-color .4s ease, color .4s ease;
  }

  /* ─────────── Hero parallax (overrides static hero-media) ─────────── */
  .hero-media{
    transition: transform .8s cubic-bezier(.2, 1, .3, 1);
    will-change: transform;
  }

  /* ─────────── 3D tilt prep ─────────── */
  .method-card, .gallery-item{
    transform-style: preserve-3d;
    transition: transform .6s cubic-bezier(.2, 1, .3, 1), border-color .5s ease, background .5s ease;
    will-change: transform;
  }

  /* ─────────── Marquee pause on hover ─────────── */
  .marquee:hover .marquee-track{ animation-play-state: paused; }

  /* ─────────── Broken image graceful fallback ─────────── */
  .gallery-item.img-fallback,
  .tab-visual.img-fallback{
    background:
      linear-gradient(135deg, rgba(159, 229, 217, 0.08) 0%, transparent 50%),
      repeating-linear-gradient(45deg, rgba(241, 234, 218, 0.02) 0 12px, transparent 12px 24px),
      var(--bg-card);
  }
  .gallery-item.img-fallback::before,
  .tab-visual.img-fallback::before{
    content: ''; position: absolute; inset: 24px;
    border: 1px solid var(--line-strong); border-radius: 4px;
    pointer-events: none;
  }

  /* ─────────── Section title shimmer on intersect ─────────── */
  .section-title em{
    background: linear-gradient(90deg, var(--accent) 0%, var(--accent-warm) 50%, var(--accent) 100%);
    background-size: 200% 100%;
    -webkit-background-clip: text; background-clip: text;
    -webkit-text-fill-color: transparent;
    animation: shimmer 8s linear infinite;
  }
  @keyframes shimmer{
    0%   { background-position: 0% 50%; }
    100% { background-position: 200% 50%; }
  }

  /* ─────────── Tab btn arrow indicator ─────────── */
  .tab-btn .tab-arrow{
    margin-left: auto; opacity: 0;
    transform: translateX(-12px);
    transition: opacity .4s ease, transform .4s cubic-bezier(.2,1,.3,1);
    color: var(--accent);
    font-family: var(--sans); font-size: 14px;
  }
  .tab-btn.active .tab-arrow{ opacity: 1; transform: translateX(0); }

  /* ─────────── Hero cursor spotlight ─────────── */
  .hero{ --mx: 50%; --my: 50%; }
  .hero::before{
    content: ''; position: absolute; inset: 0; pointer-events: none;
    background: radial-gradient(circle 420px at var(--mx) var(--my),
                rgba(159, 229, 217, 0.10), transparent 70%);
    opacity: 0; transition: opacity .8s ease;
    z-index: 0;
  }
  .hero:hover::before{ opacity: 1; }
  .hero .container{ position: relative; z-index: 1; }

  /* ─────────── Gallery clickable cue ─────────── */
  .gallery-item{ cursor: zoom-in; }
  .gallery-item .zoom-cue{
    position: absolute; top: 16px; right: 16px; z-index: 3;
    width: 36px; height: 36px; border-radius: 50%;
    background: rgba(10, 14, 20, 0.7);
    backdrop-filter: blur(8px);
    border: 1px solid rgba(241, 234, 218, 0.15);
    display: flex; align-items: center; justify-content: center;
    color: var(--accent);
    opacity: 0; transform: translateY(-8px) scale(0.85);
    transition: all .4s cubic-bezier(.2, 1, .3, 1);
  }
  .gallery-item:hover .zoom-cue{ opacity: 1; transform: translateY(0) scale(1); }
  .gallery-item .zoom-cue svg{ width: 14px; height: 14px; }

  /* ─────────── Lightbox ─────────── */
  .lightbox{
    position: fixed; inset: 0; z-index: 10001;
    background: rgba(5, 8, 12, 0.94);
    backdrop-filter: blur(20px);
    display: flex; align-items: center; justify-content: center;
    padding: 60px 40px;
    opacity: 0; visibility: hidden; pointer-events: none;
    transition: opacity .5s ease, visibility .5s;
    cursor: zoom-out;
  }
  .lightbox.open{ opacity: 1; visibility: visible; pointer-events: auto; }
  .lightbox-figure{
    position: relative; max-width: 1200px; max-height: 90vh;
    transform: scale(0.96); transition: transform .6s cubic-bezier(.2, 1, .3, 1);
    cursor: default;
  }
  .lightbox.open .lightbox-figure{ transform: scale(1); }
  .lightbox-figure img{
    max-width: 100%; max-height: 80vh;
    border-radius: 8px;
    object-fit: contain;
    display: block;
    box-shadow: 0 30px 80px rgba(0, 0, 0, 0.5);
  }
  .lightbox-caption{
    margin-top: 24px;
    font-family: var(--serif); font-style: italic;
    font-size: 18px; color: var(--accent);
    text-align: center; letter-spacing: 0.01em;
  }
  .lightbox-counter{
    margin-top: 6px;
    font-size: 11px; letter-spacing: 0.18em; text-transform: uppercase;
    color: var(--ink-faint); text-align: center;
  }
  .lightbox-close, .lightbox-nav{
    position: absolute;
    background: rgba(241, 234, 218, 0.06);
    border: 1px solid rgba(241, 234, 218, 0.18);
    color: var(--ink); border-radius: 50%;
    width: 48px; height: 48px;
    display: flex; align-items: center; justify-content: center;
    cursor: pointer; z-index: 2;
    transition: all .35s ease;
    backdrop-filter: blur(8px);
  }
  .lightbox-close:hover, .lightbox-nav:hover{
    background: var(--accent); color: var(--bg); border-color: var(--accent);
  }
  .lightbox-close{ top: 24px; right: 24px; }
  .lightbox-close svg, .lightbox-nav svg{ width: 18px; height: 18px; }
  .lightbox-nav.prev{ top: 50%; left: 24px; transform: translateY(-50%); }
  .lightbox-nav.next{ top: 50%; right: 24px; transform: translateY(-50%); }
  @media (max-width: 640px){
    .lightbox{ padding: 40px 16px; }
    .lightbox-nav.prev{ left: 12px; }
    .lightbox-nav.next{ right: 12px; }
    .lightbox-close{ top: 16px; right: 16px; }
  }

  /* ─────────── Responsive ─────────── */
  /* Mid widths: 7 nav items + logo + CTA get tight on laptops.
     Tighten tracking and drop the logo wordmark (the mark still brands it)
     so the items stay evenly spaced instead of bunching. */
  @media (max-width: 1300px){
    .nav-links a{ letter-spacing: 0.05em; font-size: 12px; }
  }
  @media (max-width: 1150px){
    .logo-text{ display: none; }
    .nav-links a{ letter-spacing: 0.03em; }
  }

  @media (max-width: 1024px){
    .hero-grid{ grid-template-columns: 1fr; gap: 60px; }
    .hero-meta{ flex-direction: row; gap: 20px; }
    .hero-meta-item{ flex: 1; }
    .tabs-shell{ grid-template-columns: 1fr; gap: 40px; }
    .numbers-grid{ grid-template-columns: repeat(2, 1fr); gap: 40px; }
    .method-grid{ grid-template-columns: 1fr; }
    .trust-grid{ grid-template-columns: repeat(3, 1fr); }
    .trust-cell:nth-child(6n){ border-right: 1px solid var(--line); }
    .trust-cell:nth-child(3n){ border-right: none; }
    .footer-grid{ grid-template-columns: 1fr 1fr; gap: 40px; }
    .nav-links{ display: none; }
    .nav-toggle{ display: flex; }        /* hamburger takes over */
    .nav-cta{ display: none; }           /* CTA lives inside the mobile menu */
    .logo-text{ display: block; }        /* room again once links are gone */
    .container{ padding: 0 24px; }
    .rulers{ padding: 0 24px; }
    .scroll-cue{ left: 24px; }
    .contact-shell{ grid-template-columns: 1fr; gap: 60px; }
    .gallery-grid{ grid-auto-rows: 100px; }
    .g-1 { grid-column: span 12; grid-row: span 3; }
    .g-2 { grid-column: span 6; grid-row: span 2; }
    .g-3 { grid-column: span 6; grid-row: span 2; }
    .g-4 { grid-column: span 5; grid-row: span 2; }
    .g-5 { grid-column: span 7; grid-row: span 2; }
  }
  @media (max-width: 640px){
    .hero{ padding: 120px 0 60px; }
    .hero-meta{ flex-direction: column; }
    .hero-actions{ flex-direction: column; align-items: stretch; }
    .btn-primary, .btn-ghost{ text-align: center; justify-content: center; }
    .numbers-grid{ grid-template-columns: 1fr; }
    .tab-features{ grid-template-columns: 1fr; }
    .trust-grid{ grid-template-columns: repeat(2, 1fr); }
    .trust-cell:nth-child(3n){ border-right: 1px solid var(--line); }
    .trust-cell:nth-child(2n){ border-right: none; }
    .footer-grid{ grid-template-columns: 1fr; }
    .footer-bottom{ flex-direction: column; gap: 16px; }
    section{ padding: 80px 0; }
    .tab-btn{ font-size: 22px; }
    .contact-form{ padding: 32px 24px; }
    .form-row.half{ grid-template-columns: 1fr; }
    .gallery-grid{ grid-auto-rows: 80px; }
    .g-1 { grid-column: span 12; grid-row: span 2; }
    .g-2, .g-3, .g-4, .g-5 { grid-column: span 12; grid-row: span 2; }
  }

  /* ─────────── Cookie banner ─────────── */
  .cookie-banner{
    position: fixed; bottom: 24px; left: 24px; right: 24px;
    max-width: 560px; margin: 0 auto;
    background: rgba(17, 22, 31, 0.96);
    backdrop-filter: blur(24px);
    -webkit-backdrop-filter: blur(24px);
    border: 1px solid var(--line-strong);
    border-radius: 12px;
    padding: 24px 28px;
    z-index: 1000;
    box-shadow: 0 24px 60px rgba(0,0,0,0.4);
    transform: translateY(140%);
    transition: transform .55s cubic-bezier(.4,0,.2,1);
  }
  .cookie-banner.show{ transform: translateY(0); }
  .cookie-banner h6{
    font-family: var(--serif); font-weight: 400;
    font-size: 18px; letter-spacing: -0.01em;
    margin-bottom: 8px; color: var(--ink);
  }
  .cookie-banner h6 em{ font-style: italic; color: var(--accent); }
  .cookie-banner p{
    font-size: 13px; color: var(--ink-dim); line-height: 1.55;
    font-weight: 300; margin-bottom: 18px;
  }
  .cookie-banner p a{ color: var(--accent); text-decoration: none; border-bottom: 1px solid var(--line); }
  .cookie-banner p a:hover{ border-color: var(--accent); }
  .cookie-actions{ display: flex; gap: 10px; flex-wrap: wrap; }
  .cookie-btn{
    flex: 1; min-width: 110px;
    padding: 12px 18px; border-radius: 999px;
    font-family: var(--sans); font-size: 12px; font-weight: 500;
    letter-spacing: 0.08em; text-transform: uppercase;
    cursor: pointer; border: 1px solid var(--line-strong);
    transition: all .35s ease; background: none; color: var(--ink);
  }
  .cookie-btn.primary{ background: var(--accent); color: var(--bg); border-color: var(--accent); }
  .cookie-btn.primary:hover{ background: var(--accent-warm); border-color: var(--accent-warm); }
  .cookie-btn.ghost:hover{ border-color: var(--accent); color: var(--accent); }
  @media (max-width: 640px){
    .cookie-banner{ left: 16px; right: 16px; bottom: 16px; padding: 20px 22px; }
    .cookie-actions{ flex-direction: column; }
    .cookie-btn{ width: 100%; }
  }

  /* Footer logo */
  .footer-logo{
    height: 56px; width:auto; display:block; margin-bottom: 18px; opacity:.92;
  }